This name is a synonym of Bidens kirkii (Oliv. & Hiern) Sherff.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 77DC7BAB-9EEA-4B9D-AB38-460E4AD5F99A) with original publication details: 568 1935.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:198191-1.
This name was in version 1 of The Plant List, record gcc-37777.